The MT3021 began to vibrate violently. The violet light turned a blinding, angry white. Elias scrambled to the back of the manual, looking for the "Emergency Shutdown" section.
Without specific details, here is a general guide on how to find a manual for something like "mt3021": mt3021 manual
: These controllers often support various communication modules, including BACnet MS-TP The MT3021 began to vibrate violently